<!DOCTYPE html>
<meta charset="utf-8">
<title>HTML Test: focusgroup - Validate that row-flow allows only horizontal flowing.</title>
<link rel="author" title="Microsoft" href="http://www.microsoft.com/">
<link rel="help" href="https://github.com/MicrosoftEdge/MSEdgeExplainers/blob/main/Focusgroup/explainer.md">
<script src="/resources/testharness.js"></script>
<script src="/resources/testharnessreport.js"></script>
<script src="/resources/testdriver.js"></script>
<script src="/resources/testdriver-vendor.js"></script>
<script src="/resources/testdriver-actions.js"></script>
<script src="../resources/focusgroup-utils.js"></script>

<table focusgroup="grid row-flow">
  <tr>
    <td id=r1c1 tabindex=0>r1c1</td>
    <td id=r1c2 tabindex=-1>r1c2</td>
    <td id=r1c3 tabindex=-1>r1c3</td>
  </tr>
  <tr>
    <td id=r2c1 tabindex=-1>r2c1</td>
    <td id=r2c2 tabindex=-1>r2c2</td>
    <td id=r2c3 tabindex=-1>r2c3</td>
  </tr>
</table>

<script>

  promise_test(async t => {
    var r1c3 = document.getElementById("r1c3");
    var r2c1 = document.getElementById("r2c1");

    await focusAndKeyPress(r1c3, kArrowRight);
    assert_equals(document.activeElement, r2c1);
  }, "When on the last column, a right arrow press should move the focus to first column and next row if the focusgroup flows horizontally.");

  promise_test(async t => {
    var r2c1 = document.getElementById("r2c1");

    await focusAndKeyPress(r2c1, kArrowDown);
    assert_equals(document.activeElement, r2c1);
  }, "A down arrow press should not flow the focus vertically when not supported by the focusgroup.");

  promise_test(async t => {
    var r1c3 = document.getElementById("r1c3");
    var r2c1 = document.getElementById("r2c1");

    await focusAndKeyPress(r2c1, kArrowLeft);
    assert_equals(document.activeElement, r1c3);
  }, "When on the first column, a left arrow press should move the focus to last column and previous row if the focusgroup flows horizontally.");

  promise_test(async t => {
    var r1c1 = document.getElementById("r1c1");

    await focusAndKeyPress(r1c1, kArrowUp);
    assert_equals(document.activeElement, r1c1);
  }, "An up arrow press should not flow the focus vertically when not supported by the focusgroup.");

</script>